These mineral treat blocks are an excellent source of calcium and help to manicure beask. The treats are fruti scented and are one of the only mineral block lines that contain egg shell and iodinized salt that are required nutrients for health during stressfull times such as molting and breeding. They also contain natural ground seashell and limestone grit for a natural source of calcium. The ear of corn is a very generous sized mineral treat and a unique fun - real looking shape.